Fix ssz formatting for /light_client/updates beacon API endpoint
#7806
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common/eth2/src/types.rs
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| fn ssz_append(&self, buf: &mut Vec<u8>) { | ||
| buf.extend_from_slice(&self.response_chunk_len.to_le_bytes()); | ||
| buf.extend_from_slice(&self.response_chunk.context); | ||
| match &self.response_chunk.payload { | ||
| LightClientUpdate::Altair(lc) => lc.ssz_append(buf), | ||
| LightClientUpdate::Capella(lc) => lc.ssz_append(buf), | ||
| LightClientUpdate::Deneb(lc) => lc.ssz_append(buf), | ||
| LightClientUpdate::Electra(lc) => lc.ssz_append(buf), | ||
| LightClientUpdate::Fulu(lc) => lc.ssz_append(buf), | ||
| }; | ||
| } |
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This looks a bit sus to me, how does this differ from what derive generates?
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you're right, the match is exactly what derive generates. I cleaned things up a bit 67b45a9
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Issue Addressed
#7759
Proposed Changes
We were incorrectly encoding the full response from
/light_client/updatesinstead of only encoding the light client updateAdditional Notes
This repo has a script that verifies light client data. I've used the repo to verify lc updates generated from both lodestar and lighthouse
https://github.com/eserilev/verify_light_client_update/tree/main